#daydayupq4.py
def dayUp(df):
    dayup = 1
    for i in range(365):
        if i % 7 in [6, 0]:
            dayup = dayup*(1-0.01)
        else:
            dayup = dayup*(1+df)
    return dayup
dayfactor=0.01
while dayUp(dayfactor)<37.78:
    dayfactor += 0.001
print("工作日的努力参数是:{:.3f} ".format(dayfactor))